1307125530 has 96 divisors (see below), whose sum is σ = 3476304000. Its totient is φ = 340661376.

The previous prime is 1307125511. The next prime is 1307125531. The reversal of 1307125530 is 355217031.

1307125530 is a `hidden beast` number, since 1 + 3 + 0 + 7 + 125 + 530 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1307125494 and 1307125503.

It is not an unprimeable number, because it can be changed into a prime (1307125531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1056072 + ... + 1057308.

It is an arithmetic number, because the mean of its divisors is an integer number (36211500).

Almost surely, 2^1307125530 is an apocalyptic number.

1307125530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1307125530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1738152000).

1307125530 is an abundant number, since it is smaller than the sum of its proper divisors (2169178470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1307125530 is a wasteful number, since it uses less digits than its factorization.

1307125530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508 (or 1505 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 1307125530 is about 36154.1910433631. The cubic root of 1307125530 is about 1093.3832900491.

The spelling of 1307125530 in words is "one billion, three hundred seven million, one hundred twenty-five thousand, five hundred thirty".